If 2x+5y=10 is a true equation, what would be the value of −4(2x+5y)

Which graph represents an even function?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4